/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.shardingsphere.metadata.persist.data;

import org.apache.shardingsphere.infra.metadata.ShardingSphereMetaData;
import org.apache.shardingsphere.infra.metadata.statistics.ShardingSphereStatistics;
import org.apache.shardingsphere.infra.metadata.statistics.ShardingSphereSchemaData;
import org.apache.shardingsphere.infra.metadata.database.ShardingSphereDatabase;
import org.apache.shardingsphere.metadata.persist.service.schema.TableRowDataBasedPersistService;

import java.util.Map;
import java.util.Optional;

/**
 * TODO replace the old implementation after meta data refactor completed
 * ShardingSphere data based registry service.
 */
public interface ShardingSphereDataBasedPersistService {
    
    /**
     * Get table row data persist service.
     * 
     * @return Stable row data persist service
     */
    TableRowDataBasedPersistService getTableRowDataPersistService();
    
    /**
     * Load ShardingSphere data.
     *
     * @param metaData meta data
     * @return ShardingSphere data
     */
    Optional<ShardingSphereStatistics> load(ShardingSphereMetaData metaData);
    
    /**
     * Persist table.
     * @param databaseName database name
     * @param schemaName schema name
     * @param schemaData schema data
     * @param databases databases
     */
    void persist(String databaseName, String schemaName, ShardingSphereSchemaData schemaData, Map<String, ShardingSphereDatabase> databases);
}
